2Section 113(3) of the [1955 c. 18.] Army Act 1955 and section 113(3) of the [1955 c. 19.] Air Force Act 1955 shall each be amended by inserting after the words " leave to appeal " where first occurring the words " against conviction or sentence ", and by adding at the end " or, as the case may be, to the sentence to which the application relates ".